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ADC12H032CIWM Datasheet(PDF) 26 Page - National Semiconductor (TI) |
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ADC12H032CIWM Datasheet(HTML) 26 Page - National Semiconductor (TI) |
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26 / 41 page  TABLE 3. ADC12034 Multiplexer Addressing Analog Channel Addressed A/D Input Multiplexer Mode MUX and Assignment Polarity Output Address with A/DIN1 tied to MUXOUT1 Assignment Channel and A/DIN2 tied to MUXOUT2 Assignment DI0 DI1 DI2 CH0 CH1 CH2 CH3 COM A/DIN1 A/DIN2 MUXOUT1 MUXOUT2 L L L + − + − CH0 CH1 L L H + − + − CH2 CH3 Differential L H L − + − + CH0 CH1 L H H − + − + CH2 CH3 H L L + − + − CH0 COM H L H + − + − CH2 COM Single-Ended H H L + − + − CH1 COM H H H + − + − CH3 COM TABLE 4. ADC12032 and ADC12030 Multiplexer Addressing Analog Channel Addressed A/D Input Multiplexer Mode MUX and Assignment Polarity Output Address with A/DIN1 tied to MUXOUT1 Assignment Channel and A/DIN2 tied to MUXOUT2 Assignment DI0 DI1 CH0 CH1 COM A/DIN1 A/DIN2 MUXOUT1 MUXOUT2 L L + − + − CH0 CH1 Differential L H − + − + CH0 CH1 H L + − + − CH0 COM Single-Ended H H + − + − CH1 COM Note: ADC12030 and ADC12H030 do not have A/DIN1, A/DIN2, MUXOUT1 and MUXOUT2 pins. TABLE 5. Mode Programming ADC12038 DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7 Mode Selected (Current) DO Format (next Conversion Cycle) ADC12034 DI0 DI1 DI2 DI3 DI4 DI5 DI6 ADC12030 and DI0 DI1 DI2 DI3 DI4 DI5 ADC12032 See Tables 2, 3 or Table 4 LLLL 12 Bit Conversion 12 or 13 Bit MSB First See Tables 2, 3 or Table 4 L L L H 12 Bit Conversion 16 or 17 Bit MSB First See Tables 2, 3 or Table 4 L L H L 8 Bit Conversion 8 or 9 Bit MSB First L L L L L L H H 12 Bit Conversion of Full-Scale 12 or 13 Bit MSB First See Tables 2, 3 or Table 4 L H L L 12 Bit Conversion 12 or 13 Bit LSB First See Tables 2, 3 or Table 4 L H L H 12 Bit Conversion 16 or 17 Bit LSB First See Tables 2, 3 or Table 4 L H H L 8 Bit Conversion 8 or 9 Bit LSB First L L L L L H H H 12 Bit Conversion of Offset 12 or 13 Bit LSB First L L L L H L L L Auto Cal No Change L L L L H L L H Auto Zero No Change L L L L H L H L Power Up No Change L L L L H L H H Power Down No Change L L L L H H L L Read Status Register No Change L L L L H H L H Data Out without Sign No Change H L L L H H L H Data Out with Sign No Change L L L L H H H L Acquisition Time — 6 CCLK Cycles No Change L H L L H H H L Acquisition Time — 10 CCLK Cycles No Change H L L L H H H L Acquisition Time — 18 CCLK Cycles No Change www.national.com 26 |
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